<template>
	<view class="top">
		<view class="bar">
			<!-- 修改处：添加 wx:key -->
			<view class="tab-item" v-for="(tab, index) in tabs" :key="index" 
				:class="{active: tab.name == currentTab}"
				@click="switchTab(tab.name)">
				{{ tab.title }}
			</view>
		</view>
		<!-- <view v-if="currentTab=='my'">这是我的页面</view>
		<view v-if="currentTab=='music'">这是音乐馆页面</view>
		<view v-if="currentTab=='discover'">这是发现页面</view> -->
		<!-- <slot name="my"></slot>
		<slot name="music"></slot>
		<slot name="discover"></slot> -->
		<slot :name="currentTab"></slot>
	</view>
</template>

<script>
	export default {
		name: "Tabs", //组件的名字
		data() {
			return {
				currentTab: 'music',
				// tab 数据
				tabs: [
					// {
				// 	name: 'my',
				// 	title: '我的'
				// },
				{
					name: 'music',
					title: '音乐馆'
				}, {
					name: 'discover',
					title: '发现'
				}]
			};
		},
		methods: {
			switchTab(tabName) {
				this.currentTab = tabName;
			}
		}
	}
</script>

<style lang="scss" scoped>
	.top {
		width: 100%;
		box-sizing: border-box; //确保宽度是100%	
		font-size: 32rpx;

		.bar {
			//菜单导航
			display: flex;
			justify-content: center;
			line-height: 100rpx;
			background-color: #00c273;
			color: #fff;
			height: 10vh;

			.tab-item {
				// tab文字之间的间距
				margin: 0 10rpx;
			}

			// Tab菜单激活效果
			.active {
				color: black;
				font-size: 45rpx;
				font-weight: bold;
			}
		}
	}
</style>